US2921539A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Articulated railway car
Assignee: ACF Industries Inc
•
Filing: 1953-06-18
•
Granted: 1960-01-19
•
Expires: 1973-06-18
Abstract
No abstract record available.
Inventors
- 👤 John R Furrer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:53
CPC Classifications
B; B61; B61D; B61D3/00; B61D3/10; B61F; B61F5/00; B61F5/38; B61F5/44; B61G; B61G5/00; B61G5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1232918A
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US1408167A
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DE552538C
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FR749268A
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US2098949A
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US2208634A
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US2605718A
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US2604857A
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US2756688A
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US2823623A
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US2812726A
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US2812725A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-18 | 1963-07-20 | 1964-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-18 | 1967-07-20 | 1968-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-18 | 1971-07-20 | 1972-01-19 | $7700.00 | Window Closed / Lapsed |